BOMwiki the bill-of-materials encyclopedia
30,454,201 parts mapped · 193,225 items
Discussion History

Pitch Bearing

Assembly

The large toothed slewing bearing at the blade root that both carries the blade and provides the gear ring the pitch pinion drives. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Pitch Bearing parts and their functions

5 top-level parts · 155 parts in total · full bill of materials below
Pitch Bearing parts diagram: 1 pitch bearing ring, 2 pitch ring gear, 3 bearing roller, 4 pitch bearing seal, 5 fastener set. 155 parts in 5 top-level items.
Pitch Bearing parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Pitch Bearing Ring 1× Blade root slewing ring
2 Pitch Ring Gear 1× Pitch ring gear teeth
3 Bearing Roller 150× Slewing roller elements
4 Pitch Bearing Seal 2× Bearing seals
5 Fastener Set 1× Bearing mounting bolts

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Pitch Bearing

5 top-level lines · 5 rows shown · 155 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Pitch Bearing Ring wps-bearing-ring 1× 1 · part
2 Pitch Ring Gear wps-ring-gear 1× 1 · part
3 Bearing Roller wyd-bearing-roller 150× 150 · part
4 Pitch Bearing Seal wps-bearing-seal 2× 2 · part
5 Fastener Set fastener-set 1× 1 · part

Something wrong in this list? Report a problem with this BOM.

Where the pitch bearing is used

2 products across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$80. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳ZWZ Bearing
zwz.com.cn ↗
Wafangdian, CN Bearings 2,000 pcs 6–10 wks
🇮🇳NBC Bearings
nbcbearings.com ↗
Jaipur, IN Bearings (NEI) 2,000 pcs 6–10 wks
🇨🇳HRB Bearing
hrbbearing.com ↗
Harbin, CN Bearings 2,000 pcs 6–10 wks
🇮🇳NRB Bearings
nrbbearings.com ↗
Mumbai, IN Needle & auto bearings 2,000 pcs 6–10 wks
🇨🇳LYC Bearing
lyc.com.cn ↗
Luoyang, CN Bearings 2,000 pcs 6–10 wks